In the UK newspapers today it says that the Brazilian guy was not running, and he didn't try to escape from the police. He simply walked onto the train like anybody else. He was mistaken for a terrorist who looks similar to him, so the police jumped on him. And shot him dead...
The more you think about this, and the way things have been in the USA since 9/11, the more it scares me. What happens when the lawmakers don't obey the law anymore?!